- 专利标题: Trolley for electric vehicles.
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申请号: US1908428549申请日: 1908-04-22
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公开(公告)号: US932655A公开(公告)日: 1909-08-31
- 发明人: VARNEY THEODORE
- 申请人: WESTINGHOUSE ELECTRIC & MFG CO
- 专利权人: Westinghouse Electric & Mfg Co
- 当前专利权人: Westinghouse Electric & Mfg Co
- 优先权: US1908428549 1908-04-22